AtCoder Beginner Contest 111

AtCoder
IDabc111_b
Time2000ms
Memory256MB
Difficulty
Kurohashi has never participated in AtCoder Beginner Contest (ABC). The next ABC to be held is ABC $N$ (the $N$\-th ABC ever held). Kurohashi wants to make his debut in some ABC $x$ such that all the digits of $x$ in base ten are the same. What is the earliest ABC where Kurohashi can make his debut? ## Constraints * $100 \leq N \leq 999$ * $N$ is an integer. ## Input Input is given from Standard Input in the following format: $N$ [samples]
Samples
Input #1
111
Output #1
111

The next ABC to be held is ABC $111$, where Kurohashi can make his debut.
Input #2
112
Output #2
222

The next ABC to be held is ABC $112$, which means Kurohashi can no longer participate in ABC $111$. Among the ABCs where Kurohashi can make his debut, the earliest one is ABC $222$.
Input #3
750
Output #3
777
API Response (JSON)
{
  "problem": {
    "name": "AtCoder Beginner Contest 111",
    "description": {
      "content": "Kurohashi has never participated in AtCoder Beginner Contest (ABC). The next ABC to be held is ABC $N$ (the $N$\\-th ABC ever held). Kurohashi wants to make his debut in some ABC $x$ such that all the ",
      "description_type": "Markdown"
    },
    "platform": "AtCoder",
    "limit": {
      "time_limit": 2000,
      "memory_limit": 262144
    },
    "difficulty": "None",
    "is_remote": true,
    "is_sync": true,
    "sync_url": null,
    "sign": "abc111_b"
  },
  "statements": [
    {
      "statement_type": "Markdown",
      "content": "Kurohashi has never participated in AtCoder Beginner Contest (ABC).\nThe next ABC to be held is ABC $N$ (the $N$\\-th ABC ever held). Kurohashi wants to make his debut in some ABC $x$ such that all the ...",
      "is_translate": false,
      "language": "English"
    }
  ]
}
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